Operating Conditions; Operating Pressure; Ambient Temperature - Biral ModulA RED Série Instructions D'installation Et D'entretien

For the delivery of a liquid with density that
differs from water and/or kinematic viscosity,
the delivery output is reduced.
– Domestic hot water:
Permissible water hardness:
max. 35 °fH (20 °dH) (water temperature below 65 °C)
max. 25 °fH (14 °dH) (water temperature below 85 °C)
To counter the risk of lime deposits, for domestic hot water systems we recommend:
Hardness level max. 25 °fH (14 °dH) Medium temperature <65°C
Warning
The pump may not be used to deliver combustible
media such as diesel and fuel.
Warning
The pump may not be used to deliver aggressive
liquids such as acids or seawater.

3.3 Operating conditions

– Medium temperature:
ModulA RED +15 °C to +110 °C
ModulA BLUE +15 °C to +85 °C (recommended for domestic hot water systems: max 65 °C)

– Operating pressure:

The maximum permissible operating pressure is indicated on the nameplate.
(6 bar, 10 bar or 16 bar) Minimum operating pressure at the pump intake ports
(intake pressure) at 500 m above sea level:
At 75 °C water temperature
At 95 °C water temperature
At 110 °C water temperature
Per ±100 m height ± 0.01 bar

– Ambient temperature:

0°C to 40°C
Single pump ModulA ...
0.12 bar
0.37 bar
1.02 bar
english
Dual pump ModulA-D ...
0.22 bar
0.47 bar
1.12 bar
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